.box {
    width: 100%;
    height: 670px;
    .shadow {
      width: 375px;
      height: 103px;
      background: #ccc;
      position: fixed;
      bottom: 0;
      .bot {
        padding-top: 20px;
        display: flex;
        justify-content: space-around;
        .btn1 {
          width: 70px;
          height: 30px;
          background: skyblue;
        }
        .btn2 {
          width: 70px;
          height: 30px;
          background: pink;
        }
      }
    }
    h3 {
      width: 375px;
      height: 400px;
      text-indent: 2em;
    }
  }